Subject Matter Expert – Mechanical Engineering (R2186) | Chegg | New Delhi

Job description:

Chegg is conducting an interview for the post of Subject Matter Expert (Mechanical).

Job duties and responsibilities:

A Subject Matter Expert (SME) is a vital source of knowledge, capability, or expertise in Mechanical Engineering. The SME functions as the organizational representative for his/her knowledge area and applies his/her expertise to support the strategic direction of the organization. He/she should be capable and willing to work on core subjects.

The candidate must be:

• Good at conceptual knowledge on Mechanical engineering subjects.
• Excellent in communication skills, both oral and written
• Willing to work in rotational shifts and week-offs.
• Good at using MS word, MS excel, MATLAB, and at least one CAD software.

Responsibilities:

• Authoring of solutions which are related to Mechanical Engineering.
• Quality check for the solutions/videos provided by other experts.
• Modify/rectify the exiting content as per requirement.
• Live tutoring.
• Work on domain specific Projects.

Requirements:

• M.Tech from Mechanical Engineering.
• Freshers / Faculty – anyone with strong subject knowledge can apply.

Syllabus:

Fluid mechanics and turbo machinery:

• Boundary Layer Theory
• Compressible Flow
• Hydraulics & Pneumatic Valves
• Hydraulic Machinery (Design and Operations)
• Application of Bernoulli’s equation
• Fluid Statics & Dynamics
• Flow through pipes

Material science and Automobile engineering:

• Atomic structure and interatomic bonding
• Mechanical properties of metals
• Phase diagrams
• Failures in metals
• Diffusion
• Basic theory of Automobile engineering

Engineering Mechanics:

• Force systems in a Plane (Equilibrium and Resultant and Internal forces)
• Centroid and Moment of Inertia
• Friction
• Force Vectors (2-D and 3-D)
• Kinematics of a Particle
• Kinetics of particles (Force, acceleration, impulse and momentum)
• Kinematics and Kinetics of rigid bodies.

Heat and Mass Transfer:

• Concepts of Conduction, Convection and Radiation
• Forced convection
• Heat exchangers
• LMTD and NTU method of heat exchanger analysis
• Problems on Mass Transfer: Molecular Diffusion, Fick’s Law of Diffusion, Steady state molecular diffusion in fluids, Diffusion coefficient measurement and prediction.

Thermodynamics:

• Zeroth law, First law and Second law of thermodynamics
• Control volume analysis (SFE Equation)
• Vapor power cycles & Gas power cycles
• Problems on Chemical Reactions: Chemical and Phase Equilibrium.

Strength of materials:

• Mechanical properties of Materials
• Shear force and Bending moment diagrams.
• Problems on Deflection of Beams: Using beam tables, superposition and singularity functions.
• Stress and strain transformations
• Torsion
• Buckling of columns
• Energy Methods: Stored Energy in elastic members, Castigliano’s Theorem and its application, Virtual work principles and its application, Finite Element Method.

Machine Design:

• Vibrations
• Kinematic Analysis of Links
• Failure Theories: Maximum principal stress theory, Maximum shear stress theory, Maximum strain theory
• Design of machine elements: Shafts, CAM, Belt drives, Keys, Gears, springs, Fly wheels, Bearings and Breaks
• Weldments and Bolt Joints

Manufacturing and Industrial Engineering:

• Casting, Forming, Joining
• Machining and Machine Tools
• Metrology
• Inventory Control
• Operations Research

Job/Req. ID: R2186